#!/bin/sh
#
# rename file (or directory) to make all lower-case
#
# usage:  lcname filename
#
if [ -z "$1" ]
then
	echo Usage:  `basename $0` file
	exit 1
fi
if [ ! -r "$1" ]
then
	echo $1 not found
	exit 2
fi

newname=`echo "$1" | tr '[:upper:]' '[:lower:]'`
if [ "$1" = "$newname" ]
then
	echo old and new names are the same
	exit 3
fi

mv "$1" "$newname"